Comparison

Re_Bound vs Collect Letters!

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head

About

Re_Bound

Features

Read full description

ReBound is a simple puzzle game. Its goal is to get all the red diamonds and go to end flag with your Ball. -You have just one Ball. -Ball moved one direction, Each level has some Paddles. -You can change your ball direction with this Paddles. -Some Paddles move with your mouse. -Others must move with some Switches. -Each Level full of this Paddles and Switches. -So, You must use this switches and paddles to complete Levels. Good Luck to You!!! More Levels will be added soon. Thank you for purchsing. Preview Video on YouTube https://youtu.be/EVPnEtZlAak

About

Collect Letters!

Features

Read full description

· TAP the letters to complete the words · DEAL cards for new letters · RELAX and ENJOY this casual puzzle game

Screenshots

Re_Bound3 screens

Collect Letters!4 screens

Verdict

The call

The clearest difference is in-app purchases: Re_Bound at none against Collect Letters!'s 10. Collect Letters!'s advantage is update cadence (every 17 months vs every 42 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Collect Letters! sells 10 one-off in-app purchases. Re_Bound asks for nothing beyond the download.

UpkeepUpdate frequency

Re_Bound ships an update every 42 months, Collect Letters! every 17 months. The most recent releases landed on October 26, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 4 level

Re_Bound versus Collect Letters!: the parameters behind the verdict, then further details
Parameter	Re_Bound	Collect Letters!
Price	Free	Free
Update frequency	Every 42 months	Every 17 months — better
Ads	Yes	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	11.0 — better	12.0
Further details — not scored
Size	21 MB	157 MB
Age rating	4+	4+
Developer	Hoon Nam	Rootcraft

In-app purchases

None

Re_Bound

No in-app purchases

10 purchases

Collect Letters!

One-time10

3,000 Gems$1.99
1,500 Cards$1.99
1,000,000 Coins$1.99

Show 7 more

5,000 Gems$2.99
8,000 Cards$3.99
8,000 Gems$3.99
16,000 Gems$4.99
60,000 Cards$5.99
50,000 Gems$5.99
120,000 Gems$6.99

Questions

Is Re_Bound free?

Re_Bound is free to download, with no in-app purchases.

Is Collect Letters! free?

Collect Letters! is free to download, with in-app purchases available.

Do Re_Bound or Collect Letters! have ads?

Both Re_Bound and Collect Letters! show ads.

Which is updated more often, Re_Bound or Collect Letters!?

Re_Bound ships an update every 42 months, and Collect Letters! every 17 months. Most recently, Re_Bound was updated on October 26, 2026 and Collect Letters! on October 7, 2026.