Search for really free Android Books and reference apps with no IAP and no ADS

Title Score Score (w/installs) Installs Category Released
Spitzer Space Telescope
4.6
7.8
5,000+
06 Jan 2019
James Webb Space Telescope
4.2
7.7
10,000+
18 Oct 2022
Tibetan Dictionary
4.8
10.4
50,000+
23 Dec 2017
Sambhota Dictionary Search
0
0.0
5,000+
24 Dec 2021
Sun & Moon Calendar
4.5
11.9
500,000+
02 Feb 2013
TELC Hymns & Lyrics
0
0.0
5,000+
21 Feb 2019
Sweetpotato DiagNotes
0
0.0
100+
03 Jun 2014
DictTango
4.7
6.5
1,000+
03 Jun 2020
Openreads
4.6
8.4
10,000+
21 Aug 2021
Manuals
0
0.0
10,000+
18 Nov 2016
Soft Book
0
0.0
10,000+
22 Dec 2022
Club EL IMPARCIAL
0
0.0
1,000+
05 Sep 2020
Marie Notre Aide
4.7
8.7
10,000+
16 Dec 2023
Kekchi Bible (official orth)
4.9
9.1
10,000+
24 Jun 2017
QiBi
5
9.2
10,000+
17 Dec 2014
ספירת העומר
4.9
9.0
10,000+
29 Mar 2015
Nexto
0
0.0
5,000+
11 Oct 2020
Broschürenservice NRW
0
0.0
1,000+
01 Dec 2021
Entdecke NRW
0
0.0
10,000+
15 Oct 2017
MyCrimp - Jason Industrial
0
0.0
500+
07 Sep 2017